نتایج جستجو برای: dimensionless frequency ratio

تعداد نتایج: 952866  

Journal: :Physical review letters 2005
Andrea Cavagna Alessandro Attanasi José Lorenzana

A supercooled liquid is said to have a kinetic spinodal if a temperature Tsp exists below which the liquid relaxation time exceeds the crystal nucleation time. We revisit classical nucleation theory taking into account the viscoelastic response of the liquid to the formation of crystal nuclei and find that the kinetic spinodal is strongly influenced by elastic effects. We introduce a dimensionl...

2012
R. K. Mishra

Glass fiber reinforced resol/vac-eha composites have been fabricated in laboratory to determine the dynamic behavior of glass fiber reinforced composites. Resol solution was blended with vinyl acetate-2-ethylhexyl acrylate (vac-eha) resin in an aqueous medium with varying volume fraction of glass fibers. The role of fiber/matrix interactions in glass fibers reinforced composites were investigat...

2016
Wenjun Huang Ming Huang Qi Lei Ronald G. Larson Martin Kröger

We develop an analytical model to predict the collapse conformation for a single semiflexible polymer chain in solution, given its length, diameter, stiffness, and self-attractiveness. We construct conformational phase diagrams containing three collapsed states, namely torus, bundle, and globule over a range of dimensionless ratios of the three energy parameters, namely solvent-water surface en...

Journal: :Journal of Experimental and Theoretical Physics 2022

Several approaches to quantum gravity (including the model of superplastic vacuum; Diakonov tetrads emerging as bilinear combinations fermionis fields; BF-theories gravity; and effective acoustic metric) suggest that in general relativity metric must have dimension 2, i.e., [g??] = 1/[L]2, irrespective spacetime. This leads “dimensionless physics” discussed [1]. Here we continue exploit this un...

M Jabbari, M Zarghami Dehaghani

This paper studied Buckling analysis of porous truncated conical shell subjected to axial load. It is considered that a fluid undrained between porous material and the Porous material properties vary across the thickness of shell with a specific function also assumed that the edge of the shell is simply supported. The governing equations are based on the Sanders kinematics equations and the fir...

M Ghadiri, M Karimi Asl M Noroozi

The damping vibration characteristics of magneto-electro-viscoelastic (MEV) nanobeam resting on viscoelastic foundation based on nonlocal strain gradient elasticity theory (NSGT) is studied in this article. For this purpose, by considering the effects of Winkler-Pasternak, the viscoelastic medium consists of linear and viscous layers. with respect to the displacement field in accordance with th...

Journal: :Scientia Iranica 2023

Problems associated with soil-structure interaction have been determined and the Impendence Functions (IFs) evaluated. The aim of this paper is studying horizontal impedance function for surface footings by physical model tests. For purpose, a cubic steel container was used as testing environment two different conditions, rigid base, homogeneous half-space model. effect various parameters such ...

2007
Javier Civera Andrew J. Davison J. M. M. Montiel

It has recently been demonstrated that the fundamental computer vision problem of structure from motion with a single camera can be tackled using the sequential, probabilistic methodology of monocular SLAM (Simultaneous Localisation and Mapping). A key part of this approach is to use the priors available on camera motion and scene structure to aid robust real-time tracking and ultimately enable...

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